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Maybe I’m missing something, but the proposed mods to the board have kind of bricked the unit, which is no longer recognized during the boot phase. Firmware successfully updated to the latest release, LOG.TXT reading all checks OK. D3 flashes for a while during the boot step, but then nothing...

Good to know, thanks, I will surely try this fix.

@JDW My pleasure to help. In the linked, impromptu video I document the following facts: - the 12V rail (and 5V, too) goes automatically alive during the boot phase - when the machine is set on sleep, the voltage is shut off and remains off until the next attempt to access the internal...

So, non lit Portable, 5 Mb ram, System 7.1.1. BlueSCSI v2 Wi-Fi (on). If I put it on sleep, it then crashes all the times. By the way, the speaker pops, but just during the boot sequence. If I boot from a floppy with System 6.0.7, I can put it on sleep and it wakes up flawlessly. Will try and...

I have fabricated a hand made internal adapter for the Portable which feeds 12 V and 5 V for a standard full size molex connector. The pinout is available in the resource section of this forum. With SCSI2SD I had the same issue, the machine would crash upon waking up 99% of the times. With...

Hello, thanks for the kind offer. I am based in Japan (Nagoya), so it would indeed make little sense shipping from US. I will buy it from AliExpress, it’s indeed cheap. Thanks again!

Well done! If you still have too much tubing around, I will be glad to purchase part of it.

Many years ago I pulled a bunch of Apple II GS out of a flooded container at a recycling site. They were dismissed machines from a nearby US military base. I literally bought them by the weight. Amazingly enough, though, they were all still in working conditions, despite the water and the rust...

So, I took the opportunity "kindly" offered by the ugly weather here in Aichi for playing around a bit with my Portable and vintage audio system. I can confirm the headphone output is dead quiet, regardless of the output volume level. Totally equivalent to my “modern” MacPro. As for the...

Guess what? The battery in my Portable is totally floored, it will take many hours before it gets back to a decent voltage. Anyhow, it will be a good opportunity for getting out of the closet some vintage recording equipment, too...

Unfortunately, I am not exactly the best guy to refer to when it comes to “hearing” something, but I will give my best shot at it. I need to get my Portable out of the closet, will see what I can do.

I don’t have this issue on my non backlit Portable. Or maybe I never noticed it.

I opened this one a few days ago. First one I did, took me ten minutes. I started from the corner next to the logic board. All the rest came off quite easily, just by wiggling and pulling the two shells apart using a couple of plastic tools. There’s no glue in the seam. There are two latches in...

The TiBook battery can be easily opened with just a plastic wedge, the case is indeed flimsy and kept together only by a few glue spots.

Hi All, I recently scored a wonderful PB Ti 1 GHz, top specs (1 GHz, Radeon 64), complete with everything, down to the plastic wraps. I am glad I could reacquaint with this ultra-cool machine, as it reminds me of when I was (well… twenty years) younger and I used to own a wonderful 667 DVI...

Caps are unlikely the issue. I have also bad experience with cold solder joint cracks: hard to catch by naked eye, but they are there.

Is it just the picture or the Astec at the bottom looks partially charred?

So, 3D printed. It will look a little coarse, you will have to finish the part by hand, but it should do the job. Looking forward to seeing the final result.

Is it machined from billet, cast or 3D printed? In the past I was considering maybe running a small series of machined parts, out of brass or aluminium…

Is it going to be milled out of metal?